Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ke8 draw
6 Kf7 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Rd8 draw
11 Re8 draw
12 Rh8 draw
13 Kf8 loss in 10 half-moves
14 Ke6 loss in 4 half-moves
15 Kf6 loss in 4 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Ra3 loss in 1 half-moves